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Sold for $1,310,000
  • $1,310,000

    640 9th St, Key Colony Beach, FL 33051

    3beds
    1,596sqft
    Half Duplex, Single Family Residence
    Built in 1988
    3,920.4 Square Feet Lot
    $1,310,000 Zestimate®
    $821/sqft
    $5,848 Estimated rent

    Home value

    $1,310,000

    $1.18M - $1.45M

    $5,848/mo

    Zestimate® history
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    What's special

    Welcome to this inviting east facing, waterfront, stilted half duplex in Key Colony Beach, offering three bedrooms, four bathrooms, and nearly 1,600 square feet of interior living space. With 37.5 feet of concrete seawall, step down wooden dock with concrete pilings, heated and chilled pool, and a spacious concrete patio for lounging and entertaining, this property is perfectly designed for the Keys lifestyle. Peace of mind features include metal roof, Hardie board siding, recently upgraded impact windows and doors, and a 2020 AC. A generous carport and driveway provide ample parking, along with a downstairs enclosure that features a full convenience bathroom, air conditioned cabana room, and a one car garage for storage of toys and gear. Saltillo tile flows throughout the first level, where you will find an open concept great room with soaring ceilings that connect the kitchen, dining, and living areas. Enjoy indoor to outdoor living from the large covered second floor patio ideal for al fresco meals, morning coffee, or watching stunning sunrises over the canal. The newly renovated primary bathroom showcases a spacious step-in tiled shower, quartz topped vanity, and elegant gold finishes. A comfortable guest bedroom and bathroom are conveniently located on the same level, with laundry in the hallway closet. Upstairs, the loft offers a third bedroom and full bathroom with plank flooring, creating a private retreat for guests or family. Your Key Colony Beach haven awaits. The City of Key Colony Beach offers its own police department, City Hall, tennis and pickleball courts, dog park, nine hole par three golf course, two playgrounds, and two new restaurants opening soon. Enjoy the walkable island lifestyle and the best of coastal living here!

    Zillow last checked: 7 hours ago

    Listing updated: March 04, 2026 at 02:15am

    Listed by:

    Karen D Raspe 305-393-9010,

    Ocean Sotheby's International Realty,

    Ally Kelley 727-459-0493,

    Ocean Sotheby's International Realty

    Bought with:

    Nate Bartlett, 3588189

    Berkshire Hathaway HomeServices Keys Real Estate

    Source: FLKMLS,MLS#: 617620MLS LogoOriginating MLS: Marathon/Lower Keys

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 4
    • Full bathrooms: 4
    Cooling
    • Central Air, Ceiling Fans(s)
    Appliances
    • Included: Washer, Stainless Steel Appliance(s), Microwave, Range, Refrigerator, Dishwasher, Dryer
    Features
    • Cathedral Ceiling(s), Granite Counters, Storage
    • Flooring: Tile
    • Doors: Sliding Glass Doors
    • Windows: Impact Rstnce Window, Other Windows/Doors, Accordion
    • Furnished: Yes
    Interior area
    • Total interior livable area: 1,596 sqft

    Property

    Parking
    • Total spaces: 1
    • Parking features: Garage, RV Parking Open, Covered, Trailer Storage, Open, Attached, Carport
    • Has garage: Yes
    • Has carport: Yes
    • Has uncovered spaces: Yes
    Features
    • Patio & porch: Open Porch/Balcony, Patio
    • Has private pool: Yes
    • Pool features: In Ground, Decked, Concrete
    • Fencing: Privacy
    • Has view: Yes
    • View description: Canal
    • Has water view: Yes
    • Water view: Canal
    • Waterfront features: Canal Front, Waterfront, Seawall: Concrete, Dock: Wood, Dock Length: 375
    Lot
    • Size: 3,920 sqft
    • Dimensions: 37.5 x 110
    • Features: Less Than 1/4 Acre
    Details
    • Parcel number: 00075170000100
    • Zoning: R-2A
    • Zoning description: Key Colony Two Family
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Half Duplex, Single Family Residence
    • Attached to another structure: Yes
    Materials
    • CBS
    • Roof: Metal
    Condition
    • Updated/Remodeled
    • New construction: No
    • Year built: 1988

    Utilities & green energy

    • Sewer: Community Swr Plant, Public Sewer
    • Utilities for property: FKAA, Cable Available, Buyer to Verify, Cable Connected

    Community & neighborhood

    Security
    • Security features: Smoke Detector(s), Patrolled Area
    Community
    • Community features: Community Boat Ramp, Bike Paths, Airport/Runway, Beach, Tennis Court(s)
    Location
    • Region: Key Colony Beach
    • Subdivision: Key Colony Beach (53.5)

    HOA & financial

    HOA
    • Has HOA: No
    • Services included: None

    Price history

    DateEventPrice
    3/4/2026Sold$1,310,000-6.4%$821/sqft
    Source: FLKMLS #617620 Report a problem
    2/24/2026Pending sale$1,400,000$877/sqft
    Source: FLKMLS #617620 Report a problem
    1/23/2026Contingent$1,400,000$877/sqft
    Source: Key West AOR #617620 Report a problem
    12/6/2025Listed for sale$1,400,000+3.6%$877/sqft
    Source: FLKMLS #617620 Report a problem
    6/16/2022Sold$1,352,000$847/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$8,762 -2.3%$880,727 +0.1%
    2024$8,972 -1.1%$879,992 -0.9%
    2023$9,068 +33.6%$888,245 +45.2%

    Find assessor info on the county website

    Neighborhood: 33051

    Nearby schools

    GreatSchools rating
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    Estimated market value
    $1,310,000
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $1,310,000